39893680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11597}}^1$

素因数の和:11653

約数の個数: 40

約数和(自身を含む): 94918032

約数和(自身を除く): 55024352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11597, 23194, 46388, 57985, 92776, 115970, 185552, 231940, 463880, 498671, 927760, 997342, 1994684, 2493355, 3989368, 4986710, 7978736, 9973420, 19946840, 39893680]

約数ペア:

[(1, 39893680), (2, 19946840), (4, 9973420), (5, 7978736), (8, 4986710), (10, 3989368), (16, 2493355), (20, 1994684), (40, 997342), (43, 927760), (80, 498671), (86, 463880), (172, 231940), (215, 185552), (344, 115970), (430, 92776), (688, 57985), (860, 46388), (1720, 23194), (3440, 11597)]